import { IRasterLayerData } from '../interface';
interface IDataItem {
    [key: string]: any;
}
export declare function getColumn(data: IDataItem[], columnName: string): number[];
export declare function isRasterFileData(data?: IRasterLayerData): boolean;
export declare function isRasterFileDataArray(data: IRasterLayerData): boolean;
export declare function isNumberArray(data: IRasterLayerData): boolean;
export {};